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charlie b

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Staff member
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Lockport, IL
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Semi-Retired Electrical Engineer
You have not given enough information. "VA" is equal to volts times amps (and sometimes, when three phase systems are involved, you toss in a factor of 1.732). You didn't tell us the voltage level. Also, it makes a difference if the load is continuous or non-continuous (i.e., will it run for more than 3 hours at a time).

Have you made an attempt to look this up in the code yourself? We generally prefer to see students try the problems themselves first. If you have tried, and can't find an answer, the at least tell us where you looked.

Welcome to the Forum.
 

tlaidman

Member
Location
Cleveland Ohio
If you are talking about continuous loads then you can load the circuit to 80% which would be 16 amps. now multiply the voltage you are using by the 16 amps to get the Va
 

charlie b

Moderator
Staff member
Location
Lockport, IL
Occupation
Semi-Retired Electrical Engineer
tlaidman said:
. . . now multiply the voltage you are using by the 16 amps to get the Va
Please allow me to repeat that if this is a three phase circuit, you also have to multiply by 1.732.
 
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